31518918

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:198

約数の個数: 72

約数和(自身を含む): 74424168

約数和(自身を除く): 42905250

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 73, 83, 102, 146, 153, 166, 219, 249, 289, 306, 438, 498, 578, 657, 747, 867, 1241, 1314, 1411, 1494, 1734, 2482, 2601, 2822, 3723, 4233, 5202, 6059, 7446, 8466, 11169, 12118, 12699, 18177, 21097, 22338, 23987, 25398, 36354, 42194, 47974, 54531, 63291, 71961, 103003, 109062, 126582, 143922, 189873, 206006, 215883, 309009, 379746, 431766, 618018, 927027, 1751051, 1854054, 3502102, 5253153, 10506306, 15759459, 31518918]

約数ペア:

[(1, 31518918), (2, 15759459), (3, 10506306), (6, 5253153), (9, 3502102), (17, 1854054), (18, 1751051), (34, 927027), (51, 618018), (73, 431766), (83, 379746), (102, 309009), (146, 215883), (153, 206006), (166, 189873), (219, 143922), (249, 126582), (289, 109062), (306, 103003), (438, 71961), (498, 63291), (578, 54531), (657, 47974), (747, 42194), (867, 36354), (1241, 25398), (1314, 23987), (1411, 22338), (1494, 21097), (1734, 18177), (2482, 12699), (2601, 12118), (2822, 11169), (3723, 8466), (4233, 7446), (5202, 6059)]